Enhance your control panel with the Cutler-Hammer M22S-R30 Pushbutton Adaptor Ring Set. Designed for 30mm holes, this set provides a reliable and durable solution for your pushbutton applications, meeting NEMA 4X and 21 environmental ratings for robust performance in demanding environments..The Cutler-Hammer M22S-R30 is an adapter ring set designed for 30mm holes. It is part of the M22 series and features an environmental rating of IP67, IP69K, NEMA 4X, and NEMA 21. The product has a size of 22.5 mm and dimensions of 1.3 inches in height and 1.15 inches in diameter. Its weight is 0.017 lb.